Abstract: A method for diagnosis of cancer utilizing an ESR spectrometer comprised a first step for mixing cells from a patient with a solution of hematoporphyrin or hematoporphyrin derivative, a second step for isolating said cells from unreacted reagent and obtaining ESR spectral signal on said cells, a third step for finding quantity S.sub.x of the radicals contained in said cells on the basis of the ESR signal, and a fourth step for comparing value S.sub.x at a predetermined level.
Type:
Grant
Filed:
May 10, 1984
Date of Patent:
September 29, 1987
Assignees:
Special Reference Laboratories, Inc., JEOL Ltd.
Inventors:
Masaaki Aoyama, Mitsuharu Itabashi, Mariko Miura, Masahiro Kohno